Hasdümen is a neighborhood in Serik District, in Antalya Province, Türkiye. Hasdümen lies at 599 m above sea level, in the Bozburun Dağı mountains. It has 226 inhabitants. The nearest city is Aksu, 35 km to the southwest. Among the landmarks around are Perga (33 km), Aspendos (37 km) and Selge (11.5 km).